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AD7721 - CMOS 16-Bit/ 468.75 kHz/ Sigma-Delta ADC

Download the AD7721 datasheet PDF. This datasheet also covers the AD7 variant, as both devices belong to the same cmos 16-bit/ 468.75 khz/ sigma-delta adc family and are provided as variant models within a single manufacturer datasheet.

General Description

The AD7721 is a complete low power, 12-/16-bit, sigma-delta ADC.

The part operates from a +5 V supply and accepts a differential input of 0 V to 2.5 V or ± 1.25 V.

Key Features

  • 16-Bit Sigma-Delta ADC 468.75 kHz Output Word Rate (OWR) No Missing Codes Low-Pass Digital Filter High Speed Serial Interface Linear Phase 229.2 kHz Input Bandwidth Power Supplies: AVDD, DVDD: +5 V ؎ 5% Standby Mode (70 ␮W) Parallel Mode (12-Bit/312.5 kHz OWR) CMOS 16-Bit, 468.75 kHz, Sigma-Delta ADC AD7721.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (AD7-721.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number AD7721
Manufacturer Analog Devices
File Size 259.36 KB
Description CMOS 16-Bit/ 468.75 kHz/ Sigma-Delta ADC
Datasheet download datasheet AD7721 Datasheet

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Other Datasheets by Analog Devices

Part Number Description
AD7720 CMOS Sigma-Delta Modulator
AD7722 16-Bit 195kSPS CMOS Sigma-Delta ADC
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AD7724 Dual CMOS Modulators
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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
a FEATURES 16-Bit Sigma-Delta ADC 468.75 kHz Output Word Rate (OWR) No Missing Codes Low-Pass Digital Filter High Speed Serial Interface Linear Phase 229.2 kHz Input Bandwidth Power Supplies: AVDD, DVDD: +5 V ؎ 5% Standby Mode (70 ␮W) Parallel Mode (12-Bit/312.5 kHz OWR) CMOS 16-Bit, 468.75 kHz, Sigma-Delta ADC AD7721 FUNCTIONAL BLOCK DIAGRAM AGND DGND DGND DSUBST VIN1 VIN2 DVAL/SYNC CS RD WR DRDY SDATA/DB11 CONTROL LOGIC RFS/DB10 DB9 CLK AGND AVDD DVDD AD7721 12-BIT A/D CONVERTER ⌺-⌬ MODULATOR FIR FILTER REFIN STBY/DB0 CAL/DB1 UNI/DB2 GENERAL DESCRIPTION The AD7721 is a complete low power, 12-/16-bit, sigma-delta ADC. The part operates from a +5 V supply and accepts a differential input of 0 V to 2.5 V or ± 1.25 V.